MW & MG Series Female Rod Ends, General Purpose - PrecisionBody - Carbon steel, protective coated for corrosion resistance. No. 16 standard series body is alloy steel not heat treated. Race - Carbon steel, protective coated for corrosion resistance. Ball - Alloy steel, heat treated, hard chrome plated. Left-hand threaded units have an identification groove near end of shank. Grease Fitting available for sizes -3 and up. Units are supplied without grease fittings. When a grease fitting is required, specify by adding suffix "Z" or "F". Ex. : MW-6Z = Zerk Type Fitting MW-6F = Flush Type Fitting. Load ratings apply only to rod ends without grease fittings. For load ratings with fittings, please consult our engineering department. Studded configuration available upon request. Specify by adding suffix "S". Ex. : MW-8S. Ptfe Liners available upon request. Specify by adding suffix "T". Ex. : MW-8T.Pit Stop USA offers Aurora MW Series Precision Steel Rod End - 5/16" Female LH x 5/16" Hole MW-5 at low everyday prices. Be sure to check out all of our products from Aurora Rod Ends including Aurora Rod Ends 5/16" Female Steel Rod Ends.